中药的性能,包括四性、五味、升降浮沉、归经等内容。它是古今医家在长期的医疗实践中概括、归纳、总结出来的一种药学理论,是指导我们学习中药及临床用药的一把钥匙。因此,只有熟练地掌握它,才能进一步为学好中药学打下良好的基础,也只有正确地运用它,才能恰当地遣药组方,以达治病之目的。现将其中四性、五味、升降浮沉的内容撮要如下: 一、四性四性,是指药物具有寒、热、温、凉四种不同的药性。它是从药物作用于机体后所产生的药理效应中推断出来的,是和患者病情的寒热相对而言。大凡治疗寒证、阴证的药物,性属温热;而能治疗阳证、热证的药物,性属寒凉。例如:黄连、黄芩能治疗阳热证,其药性 The performance of traditional Chinese medicine includes four properties, five flavors, lifting and floating, and returning to menstruation. It is a pharmacological theory summarized, summarized, and summed up in long-term medical practice by ancient and modern physicians. It is a key to guide us to learn Chinese medicine and clinical medicine. Therefore, only by masterfully mastering it can we lay a good foundation for learning Chinese medicine well, and only by properly applying it can we properly dispose the drug to meet the purpose of treating diseases. The contents of the four sexes and five flavors are summarized as follows: 1. Quadruple sex refers to four different medicinal properties of drugs: cold, heat, warm and cool. It is inferred from the pharmacological effects produced after the drug acts on the body, and it is in contrast to the cold and heat of the patient’s condition. General treatment of cold syndrome, Yin Zheng drugs, sexual warm; and can cure Yang, heat syndrome drugs, sex is cold. For example: Huanglian and Huangqi can treat Yangzheng, its medicinal properties